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Finding the Fourth Proportional to 104,253.90, 156,260.03 and 47,975.91

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Solution

The fourth proportional to 104,253.90, 156,260.03 and 47,975.91 is: 71,908.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,253.90 : 156,260.03 = 47,975.91 : x
  2. Step 2: Convert to fraction form
    104,253.90/156,260.03 = 47,975.91/x
  3. Step 3: Cross multiply
    104,253.90x = 156,260.03 × 47,975.91
  4. Step 4: Simplify right side
    104,253.90x = 7,496,716,896.00
  5. Step 5: Solve for x
    x = 7,496,716,896.00/104,253.90
  6. Step 6: Final answer
    x = 71,908.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.